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Home >> Mercury >> 1994 >> Villager LS >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Crankshaft Position (CKP) Sensor

Crankshaft Position (CKP) Sensor

CKP sensor is mounted inside distributor. Sensor uses a photo diode and Light Emitting Diode (LED) to detect engine rotation. Slits in a rotating disc indicate crankshaft position and RPM.